In one year, Melinda's parents spend $2,640.90 on cable and internet service. If they spend the same amount eac month, what is the resulting monthly change in the family's income?

In the 30-60-90 triangle below side s has a length of and side r has a length

Tan198=asin164=? how to solve this? ?

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?